[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fhviIMl5B8URj-rUTdThZVtA3VXbsAw0T7ZUrrmIGDzI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":20,"related":21,"source":32,"type":33},[],"2025-12-11 16:17:54",223417088,[8,9,10,11,12],"甲醇","乙醚","正丁醇","乙醇","丙酮",{"count":14,"courseId":15,"courseImg":16,"courseName":17,"workId":18,"workName":19},18,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_46458405","第二章:常见分离法的小结测验","从中药水提取液中萃取亲水性成分宜选用的溶剂是( )",[22,34,41,51,61,71,74,84,94,104],{"answer":23,"createTime":5,"id":24,"options":25,"question":31,"source":32,"type":33},[],223417083,[26,27,28,29,30],"对有效成分溶解度大,对杂质溶解度小","对有效成分溶解度小,对杂质溶解度大","对有效成分冷热时都溶,对杂质则不溶","对杂质热时溶解度大,冷时溶解度小","对有效成分热时溶解度大冷时溶解度小,对杂质冷热都溶或都不溶","结晶法对溶剂选择的原则是( )","v1",0,{"answer":35,"createTime":5,"id":36,"options":37,"question":40,"source":32,"type":33},[],223417084,[38,12,39,9,10],"氯仿","乙酸乙酯","利用溶剂分配法分离中药水煎液中的成分,不宜选用的溶剂是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":50,"source":32,"type":33},[],223417085,[45,46,47,48,49],"氧化铝","活性炭","氧化镁","聚酰胺","硅胶","属于非极性吸附剂是( )",{"answer":52,"createTime":5,"id":53,"options":54,"question":60,"source":32,"type":33},[],223417086,[55,56,57,58,59],"分配色谱、吸附色谱、离子交换色谱、凝胶滤过色谱","聚酰胺色谱和硅胶色谱","薄层色谱和柱色谱","硅胶色谱和氧化铝色谱","正相色谱和反相色谱","根据色谱原理不同,色谱法主要有( )",{"answer":62,"createTime":5,"id":63,"options":64,"question":70,"source":32,"type":33},[],223417087,[65,66,67,68,69],"根据物质在两相溶剂中分配系数不同","根据物质的颜色不同","根据物质的类型不同","根据物质的熔点不同","根据物质的沸点不同","溶剂分配法的原理为( )",{"answer":72,"createTime":5,"id":6,"options":73,"question":20,"source":32,"type":33},[],[8,9,10,11,12],{"answer":75,"createTime":5,"id":76,"options":77,"question":83,"source":32,"type":33},[],223417089,[78,79,80,81,82],"各组分的化学性质不同","两相溶剂极性相差较小","两相溶剂极性相差较大","各组分的分配系数不同","各组分的结构类型不同","两相溶剂萃取法的原理是利用混合物中各成分在两相溶剂中的( )",{"answer":85,"createTime":5,"id":86,"options":87,"question":93,"source":32,"type":33},[],223417090,[88,89,90,91,92],"分子大小","水溶性大小","分配比","离子交換","吸附","适合于分离糖、苷等的 Sephadex G的分离原理是( )",{"answer":95,"createTime":5,"id":96,"options":97,"question":103,"source":32,"type":33},[],223417091,[98,99,100,101,102],"加热乳化层","加人酸或碱","抽滤乳化层","分出乳化层,再用新溶剂萃取","搅拌乳化层","率取时破坏乳化层不能用的方法是( )",{"answer":105,"createTime":5,"id":106,"options":107,"question":113,"source":32,"type":33},[],223417092,[108,109,110,111,112],"聚酰胺色谱","氧化铝色谱","硅胶色谱","凝胶过滤色谱","离子交换色谱","原理为分子筛的色谱是( )"]